nordlicht1
Creates colorful barcodes from video files
Usage
nordlicht [OPTION] ...
VIDEOFILE
Options
-
-w, --width=INT -
set the barcode's width; by default it's "height*10", or 1920 pixels, if both are undefined
-
-h, --height=INT -
set the barcode's height; by default it's "width/10"
-
-o, --output=FILENAME -
set output filename, the default is VIDEOFILE.png; when you specify an *.bgra file, you'll get a raw 32-bit BGRA file that is updated as the barcode is generated
-
-s, --style=STYLE -
default is 'horizontal', see "Styles" section below. You can specify more than one style, separated by '+', to get multiple tracks
-
--start=FLOAT -
specify where to start the barcode (ratio between 0 and 1)
-
--end=FLOAT -
specify where to end the barcode (ratio between 0 and 1)
-
-q, --quiet -
don't show progress indicator
-
--help -
display this help and exit
-
--version -
output version information and exit
Styles:
- horizontal
-
compress frames to vertical lines and append them
- vertical
-
compress frames to horizontal lines and rotate them counterclockwise by 90 degrees
- slitscan
-
take single columns while constantly moving to the right (and wrapping back to the left)
- middlecolumn
-
take the middlemost column of each frame
- thumbnails
-
display small thumbnails at regular intervals
- spectrogram
-
spectrogram of the first audio track (not all sample formats are supported yet)
Examples
nordlicht video.mp4
|
generate video.mp4.nordlicht.png of default size |
|---|---|
nordlicht video.mp4 -s vertical
|
compress individual frames to columns |
nordlicht video.mp4 -w 1000 -h 1000 -o barcode.png
|
override size and name of the output file |
Releases
3 releases since Debian 9 (Stretch); the text changed 2 times.